Lathbury is a village and civil parish located in the City of Milton Keynes within Buckinghamshire, England. It is situated approximately 1 km north of Newport Pagnell on the opposite side of the River Great Ouse, and roughly 8 km north-east of Central Milton Keynes.
The geography of the area is characterized by a meander of the River Great Ouse that almost entirely surrounds the village and parish. Additionally, the Ouse Valley Way passes through the parish.